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ELIOS vs ENERGI AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical ELIOS model beats 59% and a typical ENERGI AIR model 39%. ELIOS rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

ELIOS

59%

of similar heat pumps beaten by its typical model

Above average

45 models listed

ENERGI AIR

39%

of similar heat pumps beaten by its typical model

Well below average

46 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FELIOS: Beats 51%ENERGI AIR: Beats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FELIOS: Beats 62%ENERGI AIR: Beats 13%
  • Winter-long heating efficiencyHSPF2ELIOS: Beats 72%ENERGI AIR: Beats 21%
  • Summer-long cooling efficiencySEER2ELIOS: Beats 59%ENERGI AIR: Beats 31%
  • Hot-day cooling efficiencyEER2ELIOS: Beats 46%ENERGI AIR: Beats 67%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    ELIOS
    62%
    ENERGI AIR
    7%

  • Xcel CC

    ELIOS
    47%
    ENERGI AIR
    0%

  • CEE Advanced

    ELIOS
    0%
    ENERGI AIR
    0%

  • ENERGY STAR CC

    ELIOS
    56%
    ENERGI AIR
    0%

Top cold-climate picks, ductless 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

ELIOS

  1. 1DEA36HOM25230X3ELIOS3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  2. 2DEA36HOS28230E8with ductless indoor unit DUA36HICU230X5ELIOS3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100
  3. 3DEA27HOM25230X3ELIOS2.5 tons · 28,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    61.4score / 100

ENERGI AIR

No ductless, 2.5–3 tons model from ENERGI AIR.

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view